| clotbur | |
noun | |
| any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs [syn: burdock] |
clotbur
weedy annual plant of the genus Xanthium of the family Asteraceae, distributed throughout much of Europe and parts of North America. Some authorities consider that the genus contains about 15 species, others say from 2 to 4
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